MIPS: Replace special IC builtins and stubs in the map's cache by codestubs.

Port r13453 (94525069)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12051014
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00